Mosquitoes & Ticks

Mosquitoes cause illnesses worldwide. In the U.S., they can spread West Nile virus, Zika, LaCrosse encephalitis, St. Louis encephalitis, Eastern Equine encephalitis and more.

Tick-borne disease incidence in the U.S. is increasing, with several newly-identified diseases, as well as ones that have been around for many years like Lyme disease and Rocky Mountain spotted fever.

mosquitoes and ticks

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News & Resources

  • Heartland virus

    Posted on May 6, 2022

    Ticks carrying a mysterious and rare virus that can sicken or even kill older adults or those with underlying conditions have been found in at least six states. Lone star ticks in Georgia have picked up the Heartland virus, Emory University researchers reported. NBC News - Lone…

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  • Lone Star ticks

    Posted on May 6, 2022

    Lone star ticks are confirmed vectors for a wide variety of tick-borne pathogens including those that cause ehrlichiosis and tularensis in humans and dogs. They also may carry emerging viruses such as Heartland, Bourbon, Tacaribe, Rocky Mountain spotted fever, southern tick-…

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  • Aedes albopictus is a competent vector of several arboviruses that has spread throughout the United States over the last three decades. …Surveillance efforts from 2016 to 2020.… detected stable and persistent populations of Aedes albopictus in three Iowa counties.

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  • How to choose a repellent

    Posted on May 6, 2022

    "Use Environmental Protection Agency-recommended repellent ingredients like DEET, Picaridin, IR3535 and oil of lemon eucalyptus. Today.com How to choose the best bug repellent, according to experts June 10, 2020

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  • Do natural repellents work?

    Posted on May 6, 2022

    The U.S. Centers for Disease Control and Prevention says repellents with DEET should not cause health problems. DPH says DEET should not be used on infants under two months old. On older children, concentrations of 30% or less are acceptable. Products that contain more than 30-…

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  • How to prevent Lyme

    Posted on May 6, 2022

    Wear insect repellent. The Environmental Protection Agency recommends selecting a product that contains DEET, p-Menthane-3,8-diol, picaridin, oil of lemon eucalyptus, citronella or IR 3535. All have been registered with the EPA and can be found in commercially available insect…

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  • Ticks are expanding their range

    Posted on May 6, 2022

    The blacklegged tick can transmit bacteria that cause Lyme disease. The number of U.S. counties with established populations has more than doubled. The lone star tick, implicated in potentially fatal allergic reactions to red meat, among other conditions, is also spreading fast…

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  • An invasive tick in 17 states

    Posted on May 6, 2022

    The invasive Asian Longhorned tick is an aggressive biter. that can reproduce without a male. It is a known/suspected vector of several viral, bacterial, and protozoan agents of livestock and human diseases in other parts of the world. United States Department of Agriculture…

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  • A sparse, stable, and genetically diverse population of ticks in the Southeastern U.S., is rarely infected with the pathogen that causes Lyme disease, is genetically distinct from deer tick population in the Northeast. Xu G,  Wielstra B, Rich S Northern and southern blacklegged…

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